Seismic Design Criteria for Structures, Systems, and Components in Nuclear Facilities

Transcription

1 ASCE/SEI American Society of Civil Engineers Seismic Design Criteria for Structures, Systems, and Components in Nuclear Facilities This document uses both the International System of Units (SI) and customary units. Developed by Working Group for Seismic Design Criteria for Nuclear Facilities Dynamic Analysis of Nuclear Structures Subcommittee Nuclear Standards Committee Published by the American Society of Civil Engineers

2 List of Figures List of Tables Foreword Acknowledgments Acronyms/Notation Definitions CONTENTS Standard 1.0 Introduction 1.1 Overview of the Seismic Design Criteria 1.2 Use of ASCE Standard with Other Codes and Standards 1.3 Alternative Methods to Meet Intent of this Standard 2.0 Earthquake Ground Motion 2.1 Seismic Hazard Evaluation 2.2 Development of DBE Ground Motion Horizontal Ground Motion Vertical Ground Motion 2.3 Method to Define the Design Response Spectra at Various Depths in the Site Profile 2.4 Criteria for Developing Synthetic or Modified Recorded Time Histories 3.0 Evaluation of Seismic Demand 3.1 Introduction 3.2 Linear Analysis Linear Equivalent-Static Analysis Linear Dynamic Analysis 3.3 Nonlinear Analysis Nonlinear Static Analysis Nonlinear Dynamic Analysis 3.4 Modeling and Input Parameters Effective Stiffness of Reinforced Concrete Members Mass Damping Values for SSCs 4.0 Evaluation of Structural Capacity 4.1 Structural Systems Definitions Acceptable Structural Systems for Nuclear Facilities Prohibited Structural Systems

3 4.2 Structural Capacities General Reinforced Concrete Capacity of Low-Rise Concrete Shear Walls Structural Steel Reinforced Masonry 4.3 Deformation and Rotation Capacities 5.0 Load Combinations and Acceptance Criteria for Structures 5.1 Load Combinations General Seismic Loading Combinations 5.2 Acceptance Criteria General Strength Acceptance Criteria Deformation Acceptance Criteria 6.0 Ductile Detailing Requirements 6.1 Steel Structures Moment Frames Braced Frames 6.2 Reinforced Concrete General Slab/Wall Moment Frame Systems 6.3 Anchorage 7.0 Special Considerations 7.1 Rocking and Sliding of Unanchored Rigid Bodies 7.2 Building Sliding and Overturning Building Sliding Building Overturning 7.3 Seismic Separation 7.4 Seismic Design Considerations for Foundation Elements Linear Analyses Nonlinear Analyses Special Provisions for Foundation Components Liquefaction Potential and Soil Strength Loss 7.5 Unreinforced Masonry Used as Movable Partitions, Barriers, and Radiation Shielding 7.6 Provisions for Construction Effects

4 8.0 Equipment and Distribution Systems 8.1 Introduction 8.2 Qualification by Analysis Seismic Analysis Methods Demand for Qualification by Analysis Capacity Using Qualification by Analysis Acceptance Criteria and Documentation for Qualification by Analysis 8.3 Qualification by Testing and Experience Data Tests and Experience Methods Demand for Qualification by Tests and Experience Data Capacity Defined for Seismic Qualification by Test and Experience Data Acceptance Criteria and Documentation for Qualification by Tests and Experience Data 9.0 Seismic Quality Provisions 9.1 Design Verification and Independent Peer Review Seismic Design Verification Independent Seismic Peer Review 9.2 Structural Observation, Inspection, and Testing Structural Observations Continuous and Periodic Inspections Testing 9.3 Quality Assurance Design Basis Documents Design Procedures Appendix A A.0 Approximate Methods for Sliding and Rocking of an Unanchored Rigid Body A.1 Approximate Method for Sliding of an Unanchored Rigid Body A.2 Approximate Method for Rocking of an Unanchored Rigid Body Appendix B B.0 Commentary on and Examples of Approximate Methods for Sliding and Rocking of an Unanchored Rigid Body B.1 Approximate Method for Sliding of Unanchored Rigid Body B.2 Approximate Method for Rocking of Unanchored Rigid Body B.3 Example Problems: Rigid Body Rocking and Sliding B.3.1 Rigid Body Rocking Example B.3.2 Rigid Body Sliding Example References for Appendix B.0 Commentary C1.0 Introduction

5 C1.1 Overview of the Seismic Design Criteria C1.2 Use of ASCE Standard with Other Codes and Standards C1.3 Alternative Methods to Meet Intent of this Standard C1.3.1 References for Section C1.0 C2.0 Earthquake Ground Motion C2.2 Development of Design Basis Earthquake Ground Motion C2.2.1 Horizontal Ground Motions C2.2.2 Vertical Ground Motions C2.3 Method to Define the Design Response Spectra at Various Depths in the Site Profile C2.4 Criteria for Developing Synthetic or Modified Recorded Time Histories References for Section C2.0 C3.0 Evaluation of Seismic Demand C3.3 Nonlinear Analysis C3.4 Modeling and Input Parameters C3.4.1 Effective Stiffness of Reinforced Concrete Members C3.4.3 Damping Values for SSCs References for Section C3.0 C4.0 Evaluation of Structural Capacity C4.2 Structural Capacities C4.2.3 Capacity of Low-Rise Concrete Shear Walls References for Section C4.0 C5.0 Load Combinations and Acceptance Criteria for Structures C5.1 Load Combinations C5.1.1 General C5.2 Acceptance Criteria References for Section C5.0 C6.0 Ductile Detailing Requirements C6.2.2 Slab/Wall Moment Frame Systems C7.0 Special Considerations C7.1 Rocking and Sliding of Unanchored Rigid Bodies C7.2 Building Sliding and Overturning C7.3 Seismic Separation C7.5 Unreinforced Masonry Used as Movable Partitions, Barriers, and Radiation Shielding C7.6 Provisions for Construction Effects References for Section C7.0

6 C8.0 Equipment and Distribution Systems References for Section C8.0 C9.0 Seismic Quality Provisions C9.1 Design Verification and Independent Peer Review C9.2 Structural Observation, Inspection, and Testing C9.3 Quality Assurance References for Section C9.0